Underwood, John S.Ours, ChristopherBurns, R. CartlandFerguson, Michael J.2022-10-202022-10-202021-05-04Underwood JS, Ours C, Burns RC, Ferguson MJ. Immature teratoma in an adolescent with Proteus syndrome: A novel association. Clin Case Rep. 2021;9(5):e04143. Published 2021 May 4. doi:10.1002/ccr3.4143https://hdl.handle.net/1805/30382Proteus syndrome (PS) is a complex disorder characterized by variable clinical findings of overgrowth and tumor susceptibility. This report presents the first known association between PS and an ovarian germ cell tumor in an adolescent with immature teratoma. A review of the diagnosis of PS and associated tumors is included.en-USAttribution-NonCommercial 4.0 InternationalProteus syndromeAbdominal massAdolescentImmature teratomaTumorArticle